AD 81-13-10 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Continental Motors | IO-360-A | TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, and LTSIO-360 Series Engines |
| engine | Continental Motors | IO-360-AB | TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, and LTSIO-360 Series Engines |
| engine | Continental Motors | IO-360-C | TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, and LTSIO-360 Series Engines |
| engine | Continental Motors | IO-360-D | TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, and LTSIO-360 Series Engines |
| engine | Continental Motors | IO-360-DB | TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, and LTSIO-360 Series Engines |
| engine | Continental Motors | IO-360-G | TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, and LTSIO-360 Series Engines |
| engine | Continental Motors | IO-360-GB | TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, and LTSIO-360 Series Engines |
| engine | Continental Motors | IO-360-H | TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, and LTSIO-360 Series Engines |
| engine | Continental Motors | IO-360-HB | TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, and LTSIO-360 Series Engines |
| engine | Continental Motors | IO-360-J | TELEDYNE CONTINENTAL MOTORS Model IO-360, TSIO-360, and LTSIO-360 Series Engines |
Unsafe Condition
Engine oil pump drive shaft failure and subsequent engine failure due to oil pressure loss.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect oil pump drive gear by measuring breakaway torque. Retorque to 280-300 inch-pounds if between 200-350 inch-pounds. If torque is outside this range, replace the oil pump drive gear with a serviceable part or perform magnetic particle inspection. Omit Woodruff Key and report results.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next twenty-five (25) hours time in service after the effective date of this AD unless already accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Teledyne Continental Motors IO-360, TSIO-360, and LTSIO-360 series engines with specific model and serial number ranges as listed in the AD, including rebuilt engines with specified serial ranges.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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